21303945 is an odd 8-digits composite number following 21303944
and preceding 21303946 . In scientific notation, it is written as 2.1303945 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 10264320 positive integers (up to 21303945) that are relatively prime to 21303945.
21303945 has 16 divisors, whose sum is 26678400
The reverse of 21303945 is 54930312
Previous prime number is 793
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million three hundred three thousand nine hundred forty-five
Scientific notation
2.1303945 × 10^7
Engineering notation
2.1303945 × 10^6
Prime Factorization
5 × 27 × 793 × 199
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21303945
Product of the distinct prime numbers
The prime factorization of 21303945 is 5 × 27 × 793 × 199.
Since it has a total of 4 prime factors.
2 , 1 , 53 , 1 , 707 , 58 , 991 , 6019 , 71626 , 3 , 457108 , 136240 , 3208310 , 8309888 , 90396270 , 72482555 , 405046546 , 953644023 , 6511923107 , 8322349206
n×2
42607890
n×3
63911835
n×4
85215780
n×5
106519725
n÷2
10651972.5
n÷3
7101315
n÷3
5325986.25
n÷5
4260789
n2
453858072563025
n3
9.6689674156887E+21
n4
2.0598715003062E+29
n5
4.3883389149592E+36
2 √n
4615.6196767065
3 √n
277.21709663859
4 √n
67.938352031135
5 √n
29.220793586149
1 , 5 , 27 , 135 , 199 , 793 , 995 , 3965 , 5373 , 21411 , 26865 , 107055 , 157807 , 789035 , 4260789 , 21303945
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21303944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21303945 can be divided by 16 positive divisors.
The sum of these divisors (counting 21303945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001010001001010001001
3
Ternary
1111002100112000
4
Quaternary
1101101022021
5
Quinary
20423211240
6
Senary
2040341213
8
Octal
121211211
10
Decimal
21303945
12
Duodecimal
7174809
16
Hexadecimal
1451289
20
Vigesimal
6d2jh5
36
Base36
com89
md5
fd49d6ef6591028f006c1ba981ed68ad
sha1
1ef81f88e2da0c4adc0e8bac8a5ae1e5450e1725
sha256
f4e1498ee658b75ce62bed6603a922fe890f70c5f4b8747d0dcd1c1c4f455521
sha512
3860849f3e0a4ef9131467d5b7574e7f75d44a2f18680266d043c504b8d6adeeefdc84e0698f9a3126f9f4a8d9ef259859d8769428a637fe4db98629d7a6cdc7
ripemd-160
e43aa7d3e5e362b25825708309fb8c0561775262
Diameter
42607890
Circumference
133856634.20896
Area
1.4258371865364E+15
Volume
4.0501276001236E+22
Surface area
5.7033487461457E+15
Circumference
133856634.20896
Perimeter
85215780
Area
453858072563025
Diagonal
30128327.95105
Surface area
2723148435378150
Volume
9.6689674156887E+21
Space diagonal
36899515.141653
Perimeter
63911835
Area
1.9652631027611E+14
Altitude
18449757.570826
Surface area
1.9652631027611E+14
Volume
1.1394987377842E+21
Height
10042775.983683